Social activities and different intensities of physical activity among older adults in China: a population-based cohort study

Song Yang ¹, Qi Zhang ², Anhui Zhao ³

⁰Department of Sports Journalism and Management, Henan Sport University, Zhengzhou, China.

Frontiers in Public Health +

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February 13, 2025

View abstract on PubMed

Summary

Physical activity at all intensities benefits older adults, with high-intensity exercise showing the greatest health improvements. Social activities also play a key role in mediating these positive health outcomes for the aging population.

Area Of Science

Gerontology
Public Health
Exercise Science

Background

Population aging presents significant societal challenges in the 21st century.
Physical activity is crucial for health, but its impact across different intensities in older adults is not well understood.

Purpose Of The Study

To investigate the effect of varying physical activity intensities on the health of older adults.
To identify potential mediating factors in the relationship between physical activity and health in this demographic.

Main Methods

Analysis of data from the China Health and Retirement Longitudinal Survey (CHARLS).
Utilized a nationally representative sample of Chinese adults aged 45 and above.
Employed regression modeling to assess the impact of physical activity intensity on health outcomes.

Main Results

Physical activity at all levels (high, moderate, low) significantly improves older adult health.
High-intensity physical activity demonstrated the most substantial positive effect on health outcomes.
Social activities were identified as a mediating factor, and high-intensity exercise was more beneficial in rural areas.

Conclusions

Promoting physical activity, particularly high-intensity exercise, is vital for enhancing the health of the aging population.
Interventions should consider integrating social activities to maximize health benefits.
Targeted strategies may be needed for different environments, such as rural versus urban settings.

Keywords:

Chinese older adults physical activity population aging social activities sport